Cryogenic Stainless Lock Washer from Canada
AISI 316 stainless steel spring washer tested for -196°C service in LNG applications. HTS 7318.21.00 non-threaded steel lock washer with special properties. For cryogenic piping and valves.
Duty Rate — Canada → United States
55.8%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Cryogenic test certificates mandatory for special property claims
• Higher stainless content affects duty valuation
• Prevent reclassification as valve parts (8481.90)